Rock ID

1. Obsidian

2. White Marble

3. Pumice

4. Calcite

5. Hematite

6. Slate

7. Pink Marble

8. Conglomerate

9. Sandstone

10. Quartz

11. Talc

12. Chalcopyrite

13. Feldspar

14. Siltstone

15. Selenite- Gypsum

16. Gneiss

17. Limestone

18. Magnetite

19. Shale

20. Dunite

21. Tuff

22. Ironstone

23. Basalt

24. Soapstone

25. Serpentine